Abstract
Microbial competition for limiting natural resources within a community is thought to be the selective force that promotes biosynthesis of antimicrobial compounds The marine bacterium Streptomyces tenjimariensis produces the antibiotics istamycin A and B under select laboratory culture conditions; presumably these compounds serve an, ecological role under natural conditions. Here we report results of a novel marine microbial competion experiment that examined the impact of co-culture of marine bacteria on istamycin production by S. tenjimariensis. Twelve of the 53 bacterial species tested (i.e., 22.6%) induced Istamycin production; this antibiotic also inhibited growth of the competitor colonies. These results suggest that marine bacterial metabolites, serve an ecological role in countering competitive species.
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Slattery, M., Rajbhandari, I. & Wesson, K. Competition-mediated antibiotic induction in the marine bacterium Streptomyces tenjimariensis . Microb Ecol 41, 90–96 (2001). https://doi.org/10.1007/s002480000084
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DOI: https://doi.org/10.1007/s002480000084